在乡镇企业中,很多生产过程都产生粉尘。如面粉厂的粉屑、木工车间的木屑、饲料粉碎机旁的碎屑、纺织厂的棉尘、水泥厂的泥灰……,吸入这些生产性粉尘,对人有刺激、中毒、过敏、致癌作用,严重危害工人身体健康。但是,目前大多数乡镇工厂、作坊由于国家经济、技术条件受限制,粉尘浓度还暂时达不到国家规定的卫生标准。在这种情况下,小小防尘口罩,能减少大量粉尘进入 In township and village enterprises, dust is produced in many production processes. Such as dust from flour mills, wood chips from woodworking mills, crumbs from feed mills, cotton dust from textile mills, and clippings from cement plants ... inhalation of these productive dusts can cause irritation, poisoning, allergies, carcinogenesis Role, seriously endanger the health of workers. However, at present, most township factories and workshops have not yet reached the sanitary standards stipulated by the state due to the limited economic and technical conditions of the country. In this case, a small dust mask can reduce the amount of dust entering